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What is a hydraulic pre-fill valve?

April 26, 2017Business hydraulic pre-fill safety valve

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What is a hydraulic pre-fill valve?

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A hydraulic pre-fill valve is a one-way check valve used in high-pressure hydraulic machines. Its purpose is to limit or eliminate decompression shock to pipes and other mechanical components, by draining off some of the fluid at the beginning of the hydraulic cycle and regulating its return to the system.Source:Hydraulics and Pneumatics: Poppet-type Pre-Fill ValvesDescaling System Technology–Pre-Fill Options”The Hydraulic Handbook”; Trevor M. Hunt and N.